  <select class="form-control" id="seminars_select">
        <option value="">Please choose</option>
        <option value="0">All academic reports</option>
        <option value="21">Academic report on superconducting Laboratory</option>
        <option value="22">Series of lectures on superconducting basic theory and experimental technology</option>
        <option value="23">Internal communication in the superconducting state key laboratory</option>
  </select>